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To tighten or loosen these all-steel connectors, simply adjust the geared mechanism using a hex bit.

The 81mm connector has anchors that seat in 35mm (1 3/8") dia. by 20mm (13/16") deep recesses, centered 33mm to 44mm (1 5/16" to 1 3/4") on either side of the join, and use a 5mm hex bit for adjustment.

The 100mm connector has anchors that fit 25mm (1") dia. by 12.5mm (1/2") deep recesses, centered 42mm to 49mm (1 5/8" to 1 15/16") from the join, and use a 4mm hex bit for adjustment.

For use in wood or composites.

2" long steel bits with 1/4" hex shanks sold separately.

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